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Finding the Fourth Proportional to 355,304.40, 532,373.40 and 302,816.40

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Solution

The fourth proportional to 355,304.40, 532,373.40 and 302,816.40 is: 453,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,304.40 : 532,373.40 = 302,816.40 : x
  2. Step 2: Convert to fraction form
    355,304.40/532,373.40 = 302,816.40/x
  3. Step 3: Cross multiply
    355,304.40x = 532,373.40 × 302,816.40
  4. Step 4: Simplify right side
    355,304.40x = 161,211,396,443.76
  5. Step 5: Solve for x
    x = 161,211,396,443.76/355,304.40
  6. Step 6: Final answer
    x = 453,727.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.